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IS 15265 : 2003Flexible PVC Pipes or Polymer Reinforced Thermoplastic Hoses for Suction and Delivery Lines of Agricultural Pumps - Specification

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ISO 3994 · EN ISO 3994 · BS EN ISO 3994
CurrentSpecializedSpecificationBIMMaterials Science · Plastic Piping System
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OverviewValues6InternationalTablesFAQ4Related

IS 15265:2003 is the Indian Standard (BIS) for flexible pvc pipes or polymer reinforced thermoplastic hoses for suction and delivery lines of agricultural pumps - specification. This standard specifies the material, dimensional, and performance requirements for flexible PVC and polymer-reinforced thermoplastic hoses. These hoses are intended for use as suction and delivery lines with agricultural pump sets.

Flexible PVC Pipes or Polymer Reinforced Thermoplastic Hoses for Suction and Delivery Lines of Agricultural Pumps - Specification

Overview

Status
Current
Usage level
Specialized
Domain
Materials Science — Plastic Piping System
Type
Specification
International equivalents
ISO 3994:2014 · ISO (International Organization for Standardization)EN ISO 3994:2014 · CEN (European Committee for Standardization), EuropeBS EN ISO 3994:2014 · BSI (British Standards Institution), United Kingdom
Typically used with
IS 7328IS 10148IS 4905IS 10151
Also on InfraLens for IS 15265
6Key values3Tables4FAQs

BIM-relevant code. See the BIM Hub for ISO 19650, IFC, and LOD/LOIN frameworks used alongside it.

Practical Notes
! Ensure correct hose type is used; suction hoses (with rigid helix) are for negative pressure, while delivery hoses (with braided reinforcement) are for positive pressure.
! The standard distinguishes between hoses with a rigid PVC helix (for suction) and those with polymer reinforcement (for delivery), which have different performance tests.
! Compatibility with hose clamps and fittings is critical for a leak-proof connection and is not covered by this standard, requiring user verification.
Frequently referenced clauses
Cl. 4MaterialsCl. 5Dimensions and TolerancesCl. 6Requirements (Workmanship, Finish, Colour, etc.)Cl. 8Performance RequirementsCl. 9Marking and Packing
Pulled from IS 15265:2003. Browse the full clause & table index below in Tables & Referenced Sections.
pvcthermoplasticpolymer

International Equivalents

Similar International Standards
ISO 3994:2014ISO (International Organization for Standardization)
HighCurrent
Plastics hoses — Helical-thermoplastic-reinforced thermoplastics hoses for suction and discharge — Specification
Specifies requirements for helical reinforced thermoplastic hoses for suction and discharge, aligning with the IS code's focus.
EN ISO 3994:2014CEN (European Committee for Standardization), Europe
HighCurrent
Plastics hoses - Helical-thermoplastic-reinforced thermoplastics hoses for suction and discharge - Specification (ISO 3994:2014)
European adoption of ISO 3994, covering the same type of hoses for suction and delivery applications.
BS EN ISO 3994:2014BSI (British Standards Institution), United Kingdom
HighCurrent
Plastics hoses. Helical-thermoplastic-reinforced thermoplastics hoses for suction and discharge. Specification
The UK's national adoption of the European standard, which is itself an adoption of the ISO standard.
Key Differences
≠IS 15265 classifies hoses into two types: Type 1 (Suction) and Type 2 (Suction and Delivery). In contrast, ISO 3994 uses a more detailed classification based on duty (Light, Medium, Heavy) and temperature classes.
≠The standard test temperature in IS 15265 is 27 ± 2 °C, reflecting Indian ambient conditions, whereas ISO 3994 specifies tests at 23 ± 2 °C, a common international laboratory standard.
≠IS 15265 specifies minimum working pressures for Type 2 hoses that vary by size (e.g., 4 kgf/cm² for 50mm ID). ISO 3994 defines working pressure based on duty classification (e.g., Medium-duty at 5 bar) and provides pressure de-rating factors for elevated temperatures, which IS 15265 does not.
≠Marking requirements differ. IS 15265 mandates the ISI Certification Mark, while ISO 3994 requires a detailed string including the standard number, duty type, pressure, and temperature class.
Key Similarities
≈Both standards define the basic construction as a flexible thermoplastic (PVC) tube with an embedded or integrated rigid polymer helical reinforcement to resist collapse under vacuum.
≈Core performance tests are fundamentally similar, including requirements for vacuum resistance, positive burst pressure, flexibility around a mandrel, and adhesion between the reinforcement and hose body.
≈The primary intended application in both standards is the suction and delivery of water and other non-aggressive fluids, making them suitable for agricultural, irrigation, and general water transfer.
≈Both standards establish a safety factor where the minimum burst pressure is specified as three times the maximum working pressure.
Parameter Comparison
ParameterIS ValueInternationalSource
Vacuum Resistance TestSustain 650 mm of Hg for 1 hour with max 10% ID deformation.Sustain a vacuum of 0.8 bar (approx. 600 mm Hg) for 10 minutes without failure.ISO 3994:2014
Adhesion of ReinforcementMinimum separation force of 40 N for a 25 mm wide strip.Minimum separation force of 2.5 kN/m, which equals 62.5 N for a 25 mm wide strip.ISO 3994:2014
Flexibility Test Mandrel Diameter6 times the nominal internal diameter (ID) of the hose.Varies by duty type: 10 x ID for Light, 12 x ID for Medium, 15 x ID for Heavy.ISO 3994:2014
Burst Pressure Safety Factor3 times the Maximum Working Pressure for Type 2 hoses.3 times the Maximum Working Pressure at 23 °C.ISO 3994:2014
Standard Test Temperature27 ± 2 °C23 ± 2 °CISO 3994:2014
Product ClassificationType 1 (Suction) & Type 2 (Suction & Delivery)Duty (Light, Medium, Heavy) & Temperature Class (T, A, S)ISO 3994:2014
⚠ Verify details from original standards before use

Key Values6

Quick Reference Values
Vacuum resistance for suction hosesNot less than 650 mm of mercury
Typical working pressure range for delivery hoses3 to 10 kgf/cm²
Adhesion strength between layersMinimum 1.5 kN/m
Maximum change in length after pressure test± 5 percent
Opacity requirementLight transmission not more than 0.2 percent
Recommended service temperature range-5°C to 60°C

Tables & Referenced Sections

Key Tables
Table 1 - Dimensions of Flexible PVC Hoses
Table 2 - Performance Requirements for Suction and Delivery Hoses (With Rigid PVC Helix)
Table 3 - Performance Requirements for Delivery Hoses (With Polymer Reinforcement)
Key Clauses
Clause 4 - Materials
Clause 5 - Dimensions and Tolerances
Clause 6 - Requirements (Workmanship, Finish, Colour, etc.)
Clause 8 - Performance Requirements
Clause 9 - Marking and Packing

Related Resources on InfraLens

Cross-Referenced Codes
IS 7328:2008High Alumina Cement
→
IS 10148:2019Hot Rolled Steel Strip for Welded Tubes and P...
→
IS 4905:1968Methods for Random Sampling
→
IS 10151:1982Methods of Test for Sealants for Joints in Ci...
→

Frequently Asked Questions4

What is the primary difference between a suction and a delivery hose in this standard?+
Suction hoses have a rigid helix reinforcement to resist collapse under vacuum, while delivery hoses typically use braided polymer reinforcement to withstand internal pressure.
What is the required vacuum test pressure for a suction hose?+
The hose must withstand a vacuum of not less than 650 mm of mercury without kinking or collapsing (Clause 8.3).
Can these hoses be used for drinking water?+
No, this standard is for agricultural applications. Hoses for potable water must comply with different standards, like IS 12585.
What information must be marked on the hose?+
The hose must be marked with the manufacturer's name/trademark, nominal bore, type (suction/delivery), maximum working pressure, and the Standard Mark (ISI mark) (Clause 9).

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